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Re: st: Coding assistance.


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Coding assistance.
Date   Thu, 2 Feb 2012 10:01:53 +0000

Don't understand this. What's FDI? There are lots of non-economists on
this list. What does your variable -foreign- mean? Is it "foreign
ownership" or "receives FDI"? Are they the same thing? Why isn't the
variable -foreign- already the dummy you want, except that you just
reverse it by 1 - foreign?

We can't comment on your failures if you don't show what you tried and
explain why they are not what you want.

Nick

On Thu, Feb 2, 2012 at 9:52 AM, natasha agarwal
<agarwana2@googlemail.com> wrote:

> I have  panel of unbalanced firm for 5 years. I have the foreign
> ownership variable. I wanted to create a dummy where For example, in
> the case of a firm that receives FDI in 1993, the dummy would take on
> the value of one for 1990, 1991 and 1992 and zero for all other years.
>
> It looks like:
>
> Firm ID     Year         Foreign Dummy
> 1                 1990         0
> 1                  1991        0
> 1                   1992       0
> 1                    1993     1
> 1                     1994     1
>
> 2                   1990         0
> 2                    1991        0
> 2                     1992       1
>
> I have been trying to do this for a long time now and am I am failing
> at every attempt.
>
> Any assistance will be highly appreciated.
>
> Thanks,
> Natasha
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